Thread manufacturing apparatus



June 19, 1956 H. A. KULJIAN THREAD MANUFACTURING APPARATUS Filed Dec. 4,1953 2 Sheets-Sheet 2 INVENTOR. HAPPY ,4. K01 J/AA/ paw/w United StatesPatent THREAD MANUFACTURING APPARATUS Harry A. Kuljian, Merion, Pa.

Application December 4, 1953, Serial No. 396,113

6 Claims. (Cl. 68-205) This invention relates to a thread manufacturingapparatus of the type shown in my prior Patent No. 2,634,449 of April14, 1953, entitled Thread Manufacturing Apparatus.

In the patent referred to, there is disclosed a wiper, or scraper, forremoving some of the excess liquids from that portion of a roll which isnot engaged by the thread being manufactured or processed.

The object of the present invention is to produce an improved wiper orscraper of the type shown in said prior patent for use in connectionwith an apparatus of the general type disclosed in said prior patent andin several other prior patents issued to me.

The full nature of the invention will be understood from the followingspecification and the accompanying drawings in which:

Fig. 1 is a fragmentary and diagrammatic view of a thread manufacturingapparatus embodying my invention.

Fig. 2 is a section on line 2--2 on Fig. 1.

Fig. 3 is an enlargement of the upper central portion of Fig. 2.

Fig. 4 is an elevational view of the right hand wiper, as viewed in Fig.3, looking in the direction of line 4--4 on Fig. 5.

Fig. 5 is a sectional view on line 5-5 on Fig. 4.

Fig. 6 is a sectional view on line 6-6 on Fig. 4.

Fig. 7 is an elevational view of the left hand wiper, as viewed in Fig.3, looking in the direction of line 7-7 on Fig. 8.

Fig. 8 is a sectional view on line 8-8 on Fig. 7.

Fig. 9 is a sectional view on line 99 on Fig. 7.

The apparatus shown in Figs. 1 and 2 includes a number of rolls R1 toR8, which are arranged in a circle about a center post 10. The post 10is carried by a suitable support 12 and carries at its free end an endplate 14.

The rolls have their ends journalled in end plate 14 and in an oppositeend plate 16. Plate 14 is rotatable relative to end plate 16 so as toskew the axes of the rolls relative to the axis of the post 10 toproduce a thread storing and advancing device. The plate 14 is locked inposition by nut 18 which is backed off to permit rotation of end plate14 so as to skew, or to adjust the skew, of the axes of the rolls. Therolls are provided with pinions, not shown, which engage a ring, orplanetary gear, also not shown, which is driven by motor M to rotate therolls about their respective axes. By this arrangement of the rolls, athread advancing reel is produced such that, when a filament is woundabout the feed end of the reel, the filament will move, in the form of ahelix encompassing all of the rolls, from the right hand end of thereel, as viewed in Fig. 1, to the left hand or delivery end of the reelas viewed in this figure. The reel also includes a guide wheel 20 and agodet wheel 22 which are driven by motor M and over which the nascentfilament 24 travels on its way to the reel. In order to complete itsregeneration, the filament is subjected to treatment by various wellknown conventionally used liquids such as sulphuric acid, hot

Patented June 19, 1956 ice water, soap, sodium carbonate, etc., theseliquids being supplied, in the desired order, by nozzles N-l to N-6which are mounted above roll R2. After being treated with these liquids,the filament is dried and wound on a spool or the like 26. The structurethus far described forms no part of the invention and is being set forthonly to provide the necessary background.

In order to insure an adequate supply, the treating liquids are-suppliedin large quantities and it is desirable to collect the excess liquids,in the highest possible concentration, for reclamation or re-use. Tothis end, I previously devised the scrapers disclosed in my aforesaidpatent. The scraper referred to works very well but extensive experiencewith it showed that the structure could be improved in variousparticulars, all as hereinafter set forth.

As will be best seen from Figs. 2 and 3, I use two scrapers which actupon rolls R-1 and R2, respectively. The scrapers are in the form ofarrcuate shells A and B and are placed between the rolls with the convexsides of the shells in juxtaposition. On their concave sides, thescrapers are provided with wiping elements which are adapted to contactthe exposed portions of the adjacent rolls so as to remove some of theexcess liquids flowing over said rolls.

As will be seen from Figs. 4 to 6, shell A is provided with a wipingelement which includes a number of regular V-formations 28 and a numberof inverted V-formations 30 with the apices 31 of the regularV-formations disposed at, or below, the bottom edge 32 of shell A andwith the apices 33 of the inverted V-formations preferably flush withthe upper edge 34 of the shell. This is clearly shown in Fig. 4. Sinceshell A is associated with roll R2 which turns in the direction of thearrow in Fig. 3, drain openings 36 are provided at the bases of theregular V-formations 28 to prevent accumulation of liquids between thelegs of the V-formations.

As will be seen from Figs. 7 to 9, shell B is provided with invertedV-formations 38 which are spaced by flat sections 40. The sides S ofinverted V-formations 38 form regular V-formations the bases of whichare truncated by fiat sections 40. It will be noted that the apices ofthe inverted V-formations 38 are substantially flush with the upper edge42 of shell B and that the limbs of the inverted V-for'mations extendbelow the bottom edge 44 of the shell. The juxtaposed limbs of adjacentinverted V formations 38 coact to form intermediate small invertedV-formations 46. Because of the direction of rotation of roll R-l thereis no need for a drain opening in shell B.

In both cases, the scraping elements can be made integral with therespective shells or they can be made separate and secured in positionby pins 48. The pins 48 should be of the same material as the wipingelements or should be of some other material which has the samecoefiicient of wear so that the surfaces of the scraping elements whichabut the rolls will be smooth at all times.

The treating liquids are applied to successive zones along roll R2. Forexample, nozzle N-l may discharge sulphuric acid over the areathere-below; nozzle N-Z may discharge wash water; nozzle N-3 maydischarge sodium carbonate and so on, and it is desirable to minimize,as much as possible, the intermingling of the various liquids. T-heapices 33 of the inverted V wiping elements on shell A and the upperapices 52 of inverted V wiping elements of shell B provide knife edgeseparation between adjacent zones, as clearly shown in Figs. 4 and 7, soas to minimize intermingling of the liquids to said zones. Also thelower pointed edges 54 and 56 of the wiping elements on shells A and Baccelerate the falling off of the liquids. As is well known, a drop ofwater which will adhere to a fiat or to a round surface will not adhereto, and

will readily drop from, a sharp or pointed surface. Thus, the upperapices 33 and S2 effect a sharp separation of the liquids on contiguouszones on the rolls and the lower apices 54 and 56 accelerate the fiow,or dropping off, of the liquids. By extending the apices 54 and 56 belowthe edges of the shells, the liquids scraped by the sides S of thewiping elements will be guided directly into corresponding compartmentsC formed in a trough T located below the scrapers. From trough T thevarious liquids are conducted by any suitable means, not shown, topoints of reclamation or disposal.

Other points to be noted are (l) the inclined sides 5 of the wipingelement present a longer working surface than is presented by thecorresponding vertical elements of my aforesaid prior patent; and (2)these inclined surfaces have a more efficicnt wiping action than thecorresponding vertical edges of the wiping elements in my aforesaidpatent.

The bottom edges of shells A and B are preferably extended so as to formtriangular portions which serve as backing for the apices 54 and 56. Inother words, the bottom edges of the shell have the same configurationas the scrapers.

The shells A and B may be mounted in position in the manner illustratedin my aforesaid patent. As shown in the present case, I mount anopen-sided housing 58 on the end plates 14- and 16, or on the supportingframe work, and I place an expandable tube 66 in said housing. When thetube is inflated, its sides bulge out through the open sides of thehousing and apply a following pressure against the convex sides of thescrapers as clearly shown in Fig. 3. The shells A and B are providedwith lugs 62 and 64 which engage the top of the housing. Because of thedirection of rotation of roll R-Z, no fastening means is needed tosecure lug 62 to the housing. By the same token, the direction ofrotation of roll R1 makes it necessary to use screw 66, or the like, tofasten lug 64 to the top of the housing. By this arrangement, the shellsare urged against the rolls with a following pressure which is easy tocontrol and by merely deflating tube 60 and disengaging fastening means66, shells A and B can be pulled outwardly and upwardly, as viewed inFig. 3, until they wholly clear the rolls.

What I claim is:

1. For use in connection with an elongated rotary roll and means forapplying different liquids to different, longitudinally spaced zones onsaid roll, means for removing some of said respective liquids from saidroll and for minimizing intermingling of said liquids, said meansineluding an elongated, horizontally disposed, shell which is arcuate intransverse section, a scraping element carried by, and projecting fromthe concave side of said shell, and means for mounting said shell in amanner to bring said scraping element into contact with said roll, saidscraping element consisting of alternating V, and inverted V, shapedformations, with the lines bisecting the angles of said formationsdisposed transversely of said shell.

2. The structure recited in claim 1 in which the apices of said invertedV-s'haped formations are formed by the junctions of the ends of thelimbs of adjacent V-shaped formations.

3. The structure recited in claim 1, there being drain openings formedin said shell near the bottom edge thereof.

4. The structure recited in claim 1 in which the apices of the invertedV-shaped formations substantially coincide with the upper edge of saidshell and with the apices of the V-shaped formations below the loweredge of said shell.

5. For use in connection with an elongated rotary roll and means forapplying different liquids to different, longitudinally spaced zones onsaid roll, means for removing some of said respective liquids from saidroll and for minimizing intermingling of said liquids, said meansincluding an elongated, horizontally disposed, shell which is arcuate intransverse section, a scraping element carried by, and projecting fromthe concave side of said shell and means for mounting said shell in amanner to bring said scraping element into contact with said roll saidscraping element consisting of alternating V, and inverted V, shapedformations, with the lines bisecting the angles of said formationsdisposed transversely of said shell, and horizontal sections connectingthe lower ends of the limbs of the inverted V-shaped formations andtruncating the apices of the V-shaped formations, said sections havingupper horizontal straight edges for scraping corresponding areas on saidroll.

6. The structure recited in claim 5 in which the bottom edges of saidhorizontal sections are cut out to form spaced inverted V-shapedformations which extend downwardly from the lower edge of said shell.

Kllljian Ian. 20, 1953 Kuljian Apr. 14, 1953

